The code to initialize it takes more space (in .text) than the table to be initialized (namely 86B vs 64B for GCC 11.2 with -O3 in an av_cold function), so hardcode the table.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> --- libavcodec/dca_lbr.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/libavcodec/dca_lbr.c b/libavcodec/dca_lbr.c index 579bd9c469..9a0eb62f06 100644 --- a/libavcodec/dca_lbr.c +++ b/libavcodec/dca_lbr.c @@ -119,7 +119,17 @@ static const uint16_t channel_layouts[7] = { }; static float cos_tab[256]; -static float lpc_tab[16]; +static const float lpc_tab[16] = { + /* lpc_tab[i] = sin((i - 8) * (M_PI / ((i < 8) ? 17 : 15))) */ + -0.995734176295034521871191178905, -0.961825643172819070408796290732, + -0.895163291355062322067016499754, -0.798017227280239503332805112796, + -0.673695643646557211712691912426, -0.526432162877355800244607799141, + -0.361241666187152948744714596184, -0.183749517816570331574408839621, + 0.0, 0.207911690817759337101742284405, + 0.406736643075800207753985990341, 0.587785252292473129168705954639, + 0.743144825477394235014697048974, 0.866025403784438646763723170753, + 0.951056516295153572116439333379, 0.994521895368273336922691944981 +}; av_cold void ff_dca_lbr_init_tables(void) { @@ -127,9 +137,6 @@ av_cold void ff_dca_lbr_init_tables(void) for (i = 0; i < 256; i++) cos_tab[i] = cos(M_PI * i / 128); - - for (i = 0; i < 16; i++) - lpc_tab[i] = sin((i - 8) * (M_PI / ((i < 8) ? 17 : 15))); } static int parse_lfe_24(DCALbrDecoder *s) -- 2.34.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".